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2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly explains "how to write a super gorgeous HTML 5 page". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to write a super gorgeous HTML 5 page".
Super gorgeous html5 page
The super gorgeous html5 page _ window.onload = function () {C = Math.cos; S = Math.sin; U = 0; canvas = document.getElementById ("myCanvas"); c = canvas.getContext ("2d"); var W = canvas.width = window.innerWidth; var H = canvas.height = window.innerHeight; c.fillRect (0,0, W, H); / / resize and draw black rect (default) c.globalCompositeOperation = "lighter" / / switch to additive color application c.lineWidth = 0.2 round / set the size of the brush c.lineCap = "round"; / / set smooth var bool = 0, t = 0; / / theta canvas.onmousemove = function (e) {if (window.T) {D=Math.random () * 15; f (1);} clearTimeout (T);} X = e.pageX; / / grab mouse pixel coords Y = e.pageY; astat0 / / previous coord.x bust 0; / / previous coord.y A = X, / / original coord.x B = Y; / / original coord.y R = (e.pageX/W * 999 > > 0) / 999; r = (e.pageY/H * 999 > > 0) / 999; U=e.pageX/H * 360 > > 0; U=e.pageX/H * 9; g = 360 * Math.PI / 180; T = setInterval (f = function (e) {c.save (); c.globalCompositeOperation = "source-over" If (estrangement 1) {c.fillStyle = "rgba (0, W, H);} c.restore (); I = 25; while (I -) {c.beginPath (); if (D > 450 | bool) {/ / decrease diameter if (! bool) {/ / has hit maximum bool = 1;} if (D < 0.1) {/ / has hit minimum bool = 0;} t-= g / / decrease theta D-= 0.1; / / decrease size} if (! bool) {t + = g; / increase theta D + = 0.1; / increase size} Q = (R / r-1) * t; x = (R-r) * C (t) + D * C (Q) + (A + (X-A) * (I / 25)) + (r-R) / center on xy coords y = (R-r) * S (t)-D * S (Q) + (B + (Y-B) * (I / 25)); if (a) {c.moveTo (a, b); c.lineTo (x, y)} c.strokeStyle = "hsla (" + (U% 360) + ", 100% 50% 0.75); / / draw rainbow hypotrochoid c.stroke (); a = x / / set previous coord.x b = y; / / set previous coord.y} U-= 0.5; / / increment hue A = X; / / set original coord.x B = Y; / / set original coord.y}, 16);} _ document.onkeydown = function (e) {aquibiz0; R + = 0.05} canvas.onmousemove ({pageX:300, pageY:290})}
Thank you for your reading, the above is the content of "how to write super gorgeous HTML 5 pages". After the study of this article, I believe you have a deeper understanding of how to write super gorgeous HTML 5 pages, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!
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